<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div{
				width: 500px;
				height: 500px;
			}
			.demo{
				background: linear-gradient(to left,yelow,blue );
				background: -webkit-linear-gradient(left,red,blue);
				background: linear-gradient(to left bottom,yellow,blue);
				background: linear-gradient(to left bottom,yellow 50% blue);
				background: linear-gradient(to right,red,orange,yellow,green,#00ff7f,blue);
			}
			.demo2{
				border-radius: 50%;
				background: radial-gradient(red,orange,yellow,green,#00ff7f,blue,purple);
			}
		</style>
	</head>
	<body>
		<div class="demo">
			
		</div>
	</body>
</html>
